My laptop won't switch on

My laptop suddenly shut down by itself then I try to swith it on, but it does not work. I try to hold the on/off button for 30 second and had been doing it for few days but still does not work. How to deal with this?

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Is there any damage to the charging port? What make and model is the laptop?

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I don't think the charging pirt is the problem. Haier S2 laptop. Last week I had just installed zoom apps in the laptop for my online class, once being installed the laptop suddenly turn off by itself and then cannot be switch on again. So I let it for a while and the next day I try to switch on again, the sound is there but the screen went blank and just black.

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Is it constantly black or do you see anything at all, first you want to plug the laptop in with a hdmi lead to see if you get an image on the secondary screen.

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